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https://issues.apache.org/jira/browse/FLINK-7425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-7425:
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Priority: Minor (was: Major)
> Support Map<K,V> in TypeExtractor
> ---------------------------------
>
> Key: FLINK-7425
> URL: https://issues.apache.org/jira/browse/FLINK-7425
> Project: Flink
> Issue Type: Improvement
> Components: API / Type Serialization System
> Reporter: Timo Walther
> Priority: Minor
> Labels: auto-deprioritized-major
>
> If you print {{new TypeHint<Map<String, String>>(){}.getType()}} you will see
> that even this is GenericTypeInfo. This is confusing, but maps where not
> supported initially. It would be good to officially support all major Java
> collections. I don't know if we can change this behavior because of backwards
> compatibility.
> See discussion here:
> https://stackoverflow.com/questions/45621542/flink-sql-api-with-map-types-java/45622438#45622438
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